2003•Geography and Geo-Information ScienceRequires access

A Study on Changes of Wetland Ecology Landscape of Sanjiang Plain Using RS and GIS

Jiang Wei-guo

Abstract

By using 1986 and 2000 remote sensing data as basic information resource and with the support of GIS, a wetland spatial information dataset is built up. Through selecting the indices such as patch size, fractal dimension, fragmentation, diversity and dominance index, etc., the dynamic development of wetland landscape pattern is analyzed .At the same time, the simulation for transform of wetland landscape types using Markov process has been done. The result shows that the change of wetland landscape pattern is significant from 1986 to 2000, and the wetland landscape pattern tends to be fragmental.

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Key concepts: Wetland, Sanjiang Plain, Landscape ecology, Dominance (genetics), Geography, Fragmentation (computing), Ecology, Geographic information system